Finding the Third Proportional to 1,085,487 and 1,620,029

Step by Step Solution

1. Step 1: Write the proportion equation
   1,085,487 : 1,620,029 = 1,620,029 : x
2. Step 2: Convert to fraction form
   1,085,487/1,620,029 = 1,620,029/x
3. Step 3: Cross multiply
   1,085,487x = 1,620,029 × 1,620,029
4. Step 4: Simplify right side
   1,085,487x = 2,624,493,960,841
5. Step 5: Solve for x
   x = 2,624,493,960,841/1,085,487
6. Step 6: Final answer
   x = 2,417,803.22